9-100-9002 Pressure Relief Valve, Black. The Pressure Relief Valve Is Spring Loaded and Will Open Up to Bleed Off Excess Pressure. It Can Also Be Manually Opened with Pliers, to Slow Down The Cleaner, If Needed.
Fits Polaris 180/280/380/480 Pool Cleaners. Does Not Fit Polaris 360 Cleaners, See Item 9-100-3009.
9-100-9002 Can also be found on Polaris Hose Parts Pages